CN219774884U - Sealing element applied to three-way ball valve - Google Patents
Sealing element applied to three-way ball valve Download PDFInfo
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- CN219774884U CN219774884U CN202320917244.0U CN202320917244U CN219774884U CN 219774884 U CN219774884 U CN 219774884U CN 202320917244 U CN202320917244 U CN 202320917244U CN 219774884 U CN219774884 U CN 219774884U
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- 238000007789 sealing Methods 0.000 title claims abstract description 154
- 210000003625 skull Anatomy 0.000 abstract description 13
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a be applied to sealing member of tee bend ball valve, the ball valve includes the valve body, valve ball and valve rod, form the valve pocket in the valve body, the valve ball sets up in the valve pocket, the valve rod stretches into the valve pocket and is connected with the valve ball, set up well skull and valve body sealing portion on the valve body, well skull and valve body sealing portion intercommunication, set up the location connecting unit on the well skull, the one end of location connecting unit passes valve body sealing portion and stretches into the valve pocket, set up the sealing member between location connecting unit and the valve ball, the both ends of sealing member are sealed with valve ball and location connecting unit respectively, through connecting valve ball and well skull with the sealing member, centering skull and valve ball carry out double-sided seal, the leakproofness of tee bend ball valve has been strengthened, simultaneously, the one end of sealing member is the arc design, can not cause the extrusion to the sealing washer when stretching into the valve body sealing portion, prevent the change that the later stage from bringing because of the deformation of sealing washer, simultaneously the sealing member is integrated structure, easy dismouting, the cost that the damage that the later stage brought because of long-time use has been reduced.
Description
Technical Field
The utility model relates to a valve, in particular to a sealing element applied to a three-way ball valve.
Background
The three-way ball valve is a novel valve which is widely used in recent years, the principle of the three-way ball valve is that a ball body rotating by 90 degrees is automatically opened and closed under the action of fluid, the three-way ball valve is simple in structure and good in sealing performance, and the three-way ball valve is rapid in opening and closing, has no friction when being reciprocated by 90 degrees, and is widely applied to various industries.
When the existing three-way ball valve works, the ball valve is flushed by medium for a long time, the sealing ring is damaged and the sealing performance is insufficient, serious leakage is caused, the replacement cost is too high due to the integrated structure, and the efficiency is reduced while the later profit is influenced, so that the working performance of the three-way ball valve is influenced.
Disclosure of Invention
In view of this, the present utility model provides a seal for a three-way ball valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
be applied to sealing member of tee bend ball valve, the ball valve includes valve body, valve ball and valve rod, form the valve pocket in the valve body, the valve ball sets up in the valve pocket, the valve rod stretches into the valve pocket and is connected with the valve ball, its characterized in that: the valve is characterized in that a first flow passage and a second flow passage are respectively formed in the left side and the right side in the valve cavity, a middle head cover and a valve body sealing part are arranged on the valve body, the middle head cover is communicated with the valve body sealing part, a third flow passage is formed in the middle head cover, a positioning connection unit is arranged on the middle head cover, one end of the positioning connection unit penetrates through the valve body sealing part to extend into the valve cavity, a sealing piece is arranged between the positioning connection unit and the valve ball, and two ends of the sealing piece are respectively connected with the valve ball and the positioning connection unit in a sealing mode.
Preferably, the sealing element comprises a positioning part and a sealing part, the positioning part is formed by the sealing part protruding from one side of the sealing part away from the valve ball, the positioning connection unit comprises a middle head cover sealing positioning part and a middle head cover connection part, the middle head cover sealing positioning part is arranged on one side of the middle head cover, which is close to the valve cavity, the middle head cover sealing positioning part corresponds to the positioning part of the sealing element to form a sealing groove, and the positioning part stretches into the sealing groove to be connected with the middle head cover sealing positioning part.
Preferably, the sealing element is in an annular structure, one end, far away from the positioning part, of the inner ring side of the sealing part forms an arc surface, the sealing part penetrates through the sealing part of the valve body and stretches into the valve cavity, the valve ball is provided with a valve ball sealing surface, and the valve ball sealing surface is in sealing connection with the arc surface.
Preferably, the middle head cover connecting part is provided with a thread part, the valve body sealing part is provided with a sealing ring and a thread groove formed by the corresponding thread part, and the thread part extends into the thread groove to be connected with the valve body in a sealing way.
Preferably, the sealing ring is in an annular arrangement, the sealing ring is arranged at one end of the thread groove far away from the valve rod, the inner side of the sealing ring is in sealing connection with the middle head cover connecting part, and the outer side of the sealing ring is connected with the valve body sealing part.
Preferably, the middle head cover is further provided with a cover body, the outer diameter of the cover body is the same as that of the valve body sealing part, and the cover body is connected with the end face of one side of the valve body sealing part, which is far away from the center of the valve cavity.
The utility model has the beneficial effects that: be applied to three way ball valve's sealing member, through with sealing member connection valve ball and well skull, carry out the double-sided seal to well skull and valve ball, strengthened three way ball valve's leakproofness, simultaneously, the one end of sealing member is the arc design, when stretching into valve body sealing part, can not lead to the fact the extrusion to the sealing washer, prevents the change that later stage brought because of the deformation of sealing washer, and sealing member structure as an organic whole simultaneously, easy dismouting has reduced the cost that later stage brought because of the damage of long-time use.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is another angular exploded view of FIG. 1;
fig. 4 is a schematic structural view of the seal.
Reference numerals:
ball valve, 2, valve body, 3, valve ball, 4, valve rod, 5, valve cavity, 6, first runner, 7, second runner, 8, middle head cover, 9, valve body sealing part, 10, third runner, 11, positioning connection unit, 12, valve ball sealing surface, 13, sealing element, 14, sealing ring, 15, positioning part, 16, sealing part, 17, middle head cover sealing positioning part, 18, middle head cover connecting part, 19, sealing groove, 20, cambered surface, 21, threaded part, 22, threaded groove, 23 and cover body.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings.
The utility model provides the following technical scheme:
as shown in fig. 1-4, the utility model discloses a sealing element applied to a three-way ball valve, wherein the ball valve 1 comprises a valve body 2, a valve ball 3 and a valve rod 4, a valve cavity 5 is formed in the valve body 2, the valve ball 3 is arranged in the valve cavity 5, and the valve rod 4 extends into the valve cavity 5 to be connected with the valve ball 3, and the sealing element is characterized in that: the left and right sides in the valve pocket 5 forms first runner 6 and second runner 7 respectively, set up well skull 8 and valve body sealing 9 on the valve body 2, well skull 8 and valve body sealing 9 intercommunication, form third runner 10 in the well skull 8, set up location connecting unit 11 on the well skull 8, the one end of location connecting unit 11 passes valve body sealing 9 and stretches into valve pocket 5, set up sealing member 13 between location connecting unit 11 and the valve ball 3, sealing member 13's both ends are sealed with valve ball 3 and location connecting unit 11 respectively, in this design, through connecting valve ball 3 and well skull 8 with sealing member 13, carry out double-sided seal to well skull 8 and valve ball 3, strengthened three-way ball valve 1's leakproofness, simultaneously, sealing member 13's one end is the arc design, when stretching into valve body sealing 9, can not cause the extrusion to sealing washer 14, prevents that later stage from bringing because of the deformation of sealing washer 14 from the change, sealing member 13 is the integral type structure simultaneously, easy dismouting has reduced the cost that later stage brought because of long-time damage that uses.
Further, the sealing member 13 includes location portion 15 and sealing portion 16, location portion 15 is kept away from the one side protrusion formation of valve ball 3 by sealing portion 16, location connecting unit 11 includes well head cap seal location portion 17 and well head cap connecting portion 18, well head cap seal location portion 17 sets up in the one side that well head cap 8 is close to valve pocket 5, well head cap seal location portion 17 corresponds the location portion 15 of sealing member 13 and forms seal groove 19, location portion 15 stretches into seal groove 19 and well head cap seal location portion 17 and is connected, sealing member 13 is the annular structure setting, the inner ring side of sealing portion 16 keeps away from the one end of location portion 15 and forms cambered surface 20, sealing portion 16 passes valve body sealing portion 9 and stretches into valve pocket 5, and valve ball 3 sets up valve ball sealing face 12, valve ball sealing face 12 and cambered surface 20 seal phase, in this design, the protrusion formation of one side of sealing member 13 corresponds well head cap seal location portion 17 and stretches into sealing connection, the sealing that has strengthened well head cap 8, can prevent the medium from flowing in for a long time and the leakage that the opposite side, sealing member 13 forms the cambered surface and can prevent that the sealing face from using the sealing face 1 from making sealing face 1 to warp when sealing face 1 can be used to make sealing face 1 more good simultaneously.
Further, the screw thread portion 21 is formed on the middle head cover connecting portion 18, the sealing ring 14 and the screw thread groove 22 formed by the corresponding screw thread portion 21 are arranged on the valve body sealing portion 9, the screw thread portion 21 extends into the screw thread groove 22 to be in sealing connection with the valve body 2, in the design, the middle head cover 8 and the valve body 2 are in sealing connection through the screw thread, and the disassembly and the assembly are convenient on the premise of ensuring the sealing performance, so that the maintenance cost caused by the integral replacement due to the damage of parts in the future is avoided.
Further, the sealing ring 14 is annular, the sealing ring 14 is arranged at one end of the thread groove 22 far away from the valve rod 4, the inner side of the sealing ring 14 is in sealing connection with the middle head cover connecting part 18, the outer side of the sealing ring 14 is connected with the valve body sealing part 9, in the design, the sealing ring 14 is an O-shaped ring, and the sealing ring 14 strengthens the sealing performance of the valve body 2 and the middle head cover 8.
Further, a cover body 23 is further disposed on the middle head cover 8, the outer diameter of the cover body 23 is the same as the outer diameter of the valve body sealing portion 9, and the cover body 23 is connected with an end face of one side of the valve body sealing portion 9, which is far away from the center of the valve cavity 5. Specifically, in the present embodiment, by providing the cover body portion 23, the contact area between the middle head cover 8 and the valve body sealing portion 9 can be increased, thereby improving the sealing performance therebetween.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. Be applied to sealing member of tee bend ball valve, the ball valve includes valve body, valve ball and valve rod, form the valve pocket in the valve body, the valve ball sets up in the valve pocket, the valve rod stretches into the valve pocket and is connected with the valve ball, its characterized in that: the valve is characterized in that a first flow channel and a second flow channel are respectively formed on the left side and the right side in the valve cavity, a middle head cover and a valve body sealing part are arranged on the valve body, a third flow channel is formed in the middle head cover, a communication opening for communicating the valve cavity is formed in the valve body sealing part, two ends of the communication opening are respectively communicated with the valve cavity and the third flow channel, a positioning connection unit is arranged on the middle head cover, one end of the positioning connection unit penetrates through the valve body sealing part and stretches into the valve cavity, a sealing piece is arranged between the positioning connection unit and the valve ball, and two ends of the sealing piece are respectively connected with the valve ball and the positioning connection unit in a sealing mode.
2. A seal for a three-way ball valve according to claim 1, wherein: the sealing element comprises a positioning part and a sealing part, wherein the positioning part is formed by the sealing part protruding from one side of the sealing part away from the valve ball, the positioning connection unit comprises a middle head cover sealing positioning part and a middle head cover connection part, the middle head cover sealing positioning part is arranged on one side of the middle head cover, which is close to the valve cavity, the middle head cover sealing positioning part corresponds to the positioning part of the sealing element to form a sealing groove, and the positioning part stretches into the sealing groove to be connected with the middle head cover sealing positioning part.
3. A seal for a three-way ball valve according to claim 2, wherein: the sealing piece is in an annular structure, one end, far away from the positioning part, of the inner ring side of the sealing part forms an arc surface, the sealing part penetrates through the sealing part of the valve body and stretches into the valve cavity, the valve ball is provided with a valve ball sealing surface, and the valve ball sealing surface is in sealing connection with the arc surface.
4. A seal for a three-way ball valve according to claim 2, wherein: the middle head cover connecting part is provided with a threaded part, the valve body sealing part is provided with a sealing ring and a threaded groove formed by the corresponding threaded part, and the threaded part extends into the threaded groove to be connected with the valve body in a sealing way.
5. A seal for a three-way ball valve according to claim 4, wherein: the sealing ring is annular, the sealing ring is arranged at one end of the thread groove far away from the valve rod, the inner side of the sealing ring is connected with the middle head cover connecting part in a sealing way, and the outer side of the sealing ring is connected with the valve body sealing part.
6. A seal for a three-way ball valve according to claim 1, wherein: the middle head cover is also provided with a cover body, the outer diameter of the cover body is the same as that of the valve body sealing part, and the cover body is connected with the end face of one side of the valve body sealing part far away from the center of the valve cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917244.0U CN219774884U (en) | 2023-04-12 | 2023-04-12 | Sealing element applied to three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917244.0U CN219774884U (en) | 2023-04-12 | 2023-04-12 | Sealing element applied to three-way ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774884U true CN219774884U (en) | 2023-09-29 |
Family
ID=88129690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320917244.0U Active CN219774884U (en) | 2023-04-12 | 2023-04-12 | Sealing element applied to three-way ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774884U (en) |
-
2023
- 2023-04-12 CN CN202320917244.0U patent/CN219774884U/en active Active
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